Finding the Third Proportional to 441,346.50 and 681,981

Step by Step Solution

1. Step 1: Write the proportion equation
   441,346.50 : 681,981 = 681,981 : x
2. Step 2: Convert to fraction form
   441,346.50/681,981 = 681,981/x
3. Step 3: Cross multiply
   441,346.50x = 681,981 × 681,981
4. Step 4: Simplify right side
   441,346.50x = 465,098,084,361
5. Step 5: Solve for x
   x = 465,098,084,361/441,346.50
6. Step 6: Final answer
   x = 1,053,816.18